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MAC Address Converter

Free Online Tool No Installation Browser Ready

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Dash-6: 08-00-37-CF-34-A3 Dash-3: 629D-5C92-4A36 Colon: 08:00:37:CF:34:A3 Plain: fea598b821bf Dot-3: 0800.37cf.34a3

Tip: smart MAC extraction from messy text

Format buttons extract and convert automatically

Live preview (recognized MACs)

Recognized MAC addresses will appear here as you type

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About This Tool

Batch MAC address format converter: recognizes colon/dash/dot/plain input forms, extracts MACs from messy text and converts to 5 target formats.

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Data Security: This tool runs entirely in your browser. All data processing happens locally and is never uploaded to any server.

Which input formats are recognized? ▼

08-00-37-CF-34-A3, 629D-5C92-4A36, 08:00:37:CF:34:A3, fea598b821bf, 0800.37cf.34a3 — also mixed inside logs.

Which entries are skipped? ▼

All-zero / all-F invalid addresses and pure 12-digit numbers are skipped and counted as "skipped".

How is letter case handled? ▼

Dash-6/Dash-3/Colon output uppercase; Plain/Dot-3 output lowercase, matching common network device conventions.